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Lawn-Boy 680540 lawn mower

Lawn-Boy 680540 lawn mower Parts

Here are the diagrams and repair parts for Lawn-Boy 680540 lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for 680540 Walk-Behind Mowers

  • Toro Nut for Lawn-Boy 680540 - Part 608311

    Nut

    Part #608311

    Replaced by #608311

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    Manufacturer substitution
    This part replaces 608311. Substitute parts can look different from the original.
    In Stock
    $29.88
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  • Toro Tie Strap for Lawn-Boy 680540 - Part 614249

    Engine group diagram

    Tie Strap

    Part #320107

    Replaced by #614249

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    Manufacturer substitution
    This part replaces 320107. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.16
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    Qty
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  • Flat Washer for Lawn-Boy 680540 - Part STD551025

    Housing and shroud group diagram

    Washer

    Part #610566

    Replaced by #STD551025

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    Manufacturer substitution
    This part replaces 610566. Substitute parts can look different from the original.
    In Stock
    $36.61
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  • Toro Grommet for Lawn-Boy 680540 - Part 94-1610

    Housing and shroud group diagram

    Grommet

    Part #604604

    Replaced by #94-1610

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    Manufacturer substitution
    This part replaces 604604. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $2.16
    Minus Item
    Qty
    Plus Item
  • Toro Shield Carburetor for Lawn-Boy 680540 - Part 613143

    Carburetor group diagram

    Shield Carburetor

    Part #613143

    Replaced by #613143

    Info Icon
    Manufacturer substitution
    This part replaces 613143. Substitute parts can look different from the original.
    In Stock
    $46.00
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    Qty
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  • Toro Bolt for Lawn-Boy 680540 - Part 610646

    Housing and shroud group diagram

    Bolt

    Part #610646

    Replaced by #610646

    Info Icon
    Manufacturer substitution
    This part replaces 610646. Substitute parts can look different from the original.
    In Stock
    $37.41
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  • Toro Washer for Lawn-Boy 680540 - Part 605255

    Washer

    Part #605255

    Replaced by #605255

    Info Icon
    Manufacturer substitution
    This part replaces 605255. Substitute parts can look different from the original.
    In Stock
    $27.73
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    Qty
    Plus Item
  • Toro Gasket - Exa for Lawn-Boy 680540 - Part 613755

    Housing and shroud group diagram

    Gasket - Exa

    Part #613755

    Replaced by #613755

    Info Icon
    Manufacturer substitution
    This part replaces 613755. Substitute parts can look different from the original.
    In Stock
    $46.00
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    Qty
    Plus Item
  • Toro Lever Knob for Lawn-Boy 680540 - Part 683663

    Handle group diagram

    Lever Knob

    Part #683663

    Replaced by #683663

    Info Icon
    Manufacturer substitution
    This part replaces 683663. Substitute parts can look different from the original.
    In Stock
    $57.30
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    Qty
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  • Toro Choke Kit for Lawn-Boy 680540 - Part 683781

    #NI

    All parts diagram

    Choke Kit

    Part #683781

    Replaced by #683781

    Info Icon
    Manufacturer substitution
    This part replaces 683781. Substitute parts can look different from the original.
    In Stock
    $127.44
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Most common symptoms to help you fix your walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Read more

Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Read more

Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

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Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Read more

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Read more

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

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Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

Read more
Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

Read more

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